Add Octavia faults workflow

So far Octavia didn't have a workflow which contained both scenario
and faults tests, which made it difficult to test octavia fault tests
on CI.

This test adds such a workflow named as faults-octavia.

Change-Id: I60ac1c2952e4247b10f0f903676cd31c004e4150

roles/tobiko-run/vars/test-workflow-octavia-faults.yaml

@@ -0,0 +1,18 @@
+---
+
+test_workflow_steps:
+  - tox_description: 'create Octavia resources'
+    tox_envlist: octavia
+    tox_step_name: create_octavia_resources
+    tox_environment:
+      TOBIKO_PREVENT_CREATE: no
+
+  - tox_description: 'run Octavia disruptive test cases'
+    tox_envlist: octavia_faults
+    tox_step_name: octavia_faults
+
+  - tox_description: 'verify Octavia resources'
+    tox_envlist: octavia
+    tox_step_name: verify_octavia_resources
+    tox_environment:
+      TOBIKO_PREVENT_CREATE: yes

tox.ini

@@ -226,6 +226,18 @@ setenv =
     PYTEST_TIMEOUT = 3600
 
 
+[testenv:octavia_faults]
+
+basepython = {[integration]basepython}
+envdir = {[integration]envdir}
+passenv = {[integration]passenv}
+setenv =
+    {[integration]setenv}
+    OS_TEST_PATH = {toxinidir}/tobiko/tests/faults/octavia
+    TOX_NUM_PROCESSES = 1
+    PYTEST_TIMEOUT = 3600
+
+
 [testenv:instanceha]
 
 basepython = {[integration]basepython}